Sample 95ID-27
NavDat sample number 38614
Sample
| Sample ID | 95ID-27 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of cpx, olivine, opx, plag, opaques; significant glass component in g.m. |
Location
| Latitude | 44.575 |
|---|---|
| Longitude | -114.333 |
| Location | Challis Creek |
| State / province | Idaho |
| Volcanic field | Tl of main effusive phase, Challis Volcanic Group |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49 | 48 | 50 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.13 | WT% | XRF | |
| TIO2 | 1.03 | WT% | XRF | |
| AL2O3 | 14.11 | WT% | XRF | |
| FEOT | 8.7 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 6.25 | WT% | XRF | |
| CAO | 8.4 | WT% | XRF | |
| NA2O | 2.9 | WT% | XRF | |
| K2O | 2.94 | WT% | XRF | |
| P2O5 | 0.37 | WT% | XRF | |
| LOI | 3.04 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 7 | PPM | XRF | |
| CR | 131 | PPM | XRF | |
| SC | 20 | PPM | XRF | |
| V | 202 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 20 | PPM | XRF | |
| ZN | 80 | PPM | XRF | |
| BA | 926 | PPM | ICPMS | |
| RB | 81.3 | PPM | ICPMS | |
| SR | 617 | PPM | ICPMS | |
| U | 1.57 | PPM | ICPMS | |
| PB | 11.39 | PPM | ICPMS | |
| CS | 1.84 | PPM | ICPMS | |
| TH | 5.9 | PPM | ICPMS | |
| ZR | 202 | PPM | XRF | |
| Y | 30.12 | PPM | ICPMS | |
| NB | 16.93 | PPM | XRF | |
| HF | 5.18 | PPM | ICPMS | |
| TA | 0.93 | PPM | ICPMS | |
| LA | 36.61 | PPM | ICPMS | |
| CE | 69.99 | PPM | ICPMS | |
| PR | 8.1 | PPM | ICPMS | |
| ND | 33.35 | PPM | ICPMS | |
| SM | 7.6 | PPM | ICPMS | |
| EU | 2 | PPM | ICPMS | |
| GD | 6.7 | PPM | ICPMS | |
| TB | 0.99 | PPM | ICPMS | |
| DY | 5.83 | PPM | ICPMS | |
| HO | 1.12 | PPM | ICPMS | |
| ER | 2.99 | PPM | ICPMS | |
| TM | 0.42 | PPM | ICPMS | |
| YB | 2.6 | PPM | ICPMS | |
| LU | 0.41 | PPM | ICPMS | |
| SR87_SR86 | 0.71023 | TIMS | ||
| ND143_ND144 | 0.51198 | TIMS |